A hell of a party

You are having a dinner party for eight, including yourself, in a memorable setting. Where is this setting and which seven characters in crime fiction would you invite and why?
by Dietrich Kalteis
This question makes me feel like I’m about to sit down at a dinner table of strangers in an Agatha Christie novel, just as the lights are about to go out. It also reminds me of the board game Clue. 
So, I’m thinking along the lines of an Agatha Christie mystery, but instead of setting the party in...